gehts so nicht?
Code:
# makefile, written by guido socher
MCU=atmega32
CC=avr-gcc
OBJCOPY=avr-objcopy
# optimize for size:
CFLAGS=-g -mmcu=$(MCU) -Wall -Wstrict-prototypes -Os -mcall-prologues
#-------------------
all: test.hex
#-------------------
help:
@echo "Usage: make all|load|load_pre|rdfuses|wrfuse1mhz|wrfuse4mhz|wrfusecrystal"
@echo "Warning: you will not be able to undo wrfusecrystal unless you connect an"
@echo " external crystal! uC is dead after wrfusecrystal if you do not"
@echo " have an external crystal."
#-------------------
test.hex : test.out
$(OBJCOPY) -R .eeprom -O ihex test.out test.hex
test.out : test.o
$(CC) $(CFLAGS) -o test.out -Wl,-Map,test.map test.o -lm
test.o : test.c
$(CC) $(CFLAGS) -Os -c test.c
#------------------
load: test.hex
./prg_load_uc test.hex
# here is a pre-compiled version in case you have trouble with
# your development environment
load_pre: test_pre.hex
./prg_load_uc test.hex
#
loaduisp: test.hex
./prg_load_uc -u test.hex
# here is a pre-compiled version in case you have trouble with
# your development environment
load_preuisp: test_pre.hex
./prg_load_uc -u test.hex
#-------------------
# fuse byte settings:
# Atmel AVR ATmega8
# Fuse Low Byte = 0xe1 (1MHz internal), 0xe3 (4MHz internal), 0xe4 (8MHz internal)
# Fuse High Byte = 0xd9
# Factory default is 0xe1 for low byte and 0xd9 for high byte
# Check this with make rdfuses
rdfuses:
./prg_fusebit_uc -r
# use internal RC oscillator 1 Mhz
wrfuse1mhz:
./prg_fusebit_uc -w 1
# use internal RC oscillator 4 Mhz
wrfuse4mhz:
./prg_fusebit_uc -w 4
# use external 3-8 Mhz crystal
# Warning: you can not reset this to intenal unless you connect a crystal!!
wrfusecrystal:
@echo "Warning: The external crystal setting can not be changed back without a working crystal"
@echo " You have 3 seconds to abort this with crtl-c"
@sleep 3
./prg_fusebit_uc -w 0
#-------------------
clean:
rm -f *.o *.map *.out *t.hex
#-------------------
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